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# A sample of gas in a balloon has an initial temperature of 43∘C and a volume of 1.69×103L . If the temperature changes to 76∘C , and there i

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A sample of gas in a balloon has an initial temperature of 43∘C and a volume of 1.69×103L . If the temperature changes to 76∘C , and there is no change of pressure or amount of gas, what is the new volume, V2, of the gas?

physics
Guest Mar 24, 2015

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It's known as Charles's law; see http://en.wikipedia.org/wiki/Charles%27s_law for example.

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Alan  Mar 25, 2015
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At constant pressure the volume will be proportional to the absolute temperature.

V2/(273+76) = 1690/(273+43)    (i've assumed your 1.69x103L means 1.69x103L)

Can you take it from here?

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Alan  Mar 24, 2015
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I didn't know that,  thanks Alan.

Melody  Mar 25, 2015
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It's known as Charles's law; see http://en.wikipedia.org/wiki/Charles%27s_law for example.

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Alan  Mar 25, 2015
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Thanks Alan,

That is a super neat pic in that article !!

Melody  Mar 25, 2015